103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2012, 2014, 2015, 2016.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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logterminal.h
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A simple terminal that writes to the kernel log.
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*******************************************************************************/
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#ifndef SORTIX_LOGTERMINAL_H
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#define SORTIX_LOGTERMINAL_H
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#include <wchar.h>
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#include <sortix/termios.h>
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#include <sortix/kernel/kthread.h>
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#include <sortix/kernel/inode.h>
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#include <sortix/kernel/keyboard.h>
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#include <sortix/kernel/poll.h>
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#include "kb/kblayout.h"
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#include "linebuffer.h"
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namespace Sortix {
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class LogTerminal : public AbstractInode, public KeyboardOwner
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{
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public:
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LogTerminal(dev_t dev, mode_t mode, uid_t owner, gid_t group,
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Keyboard* keyboard, KeyboardLayoutExecutor* kblayout);
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virtual ~LogTerminal();
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public:
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virtual int sync(ioctx_t* ctx);
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virtual ssize_t read(ioctx_t* ctx, uint8_t* buf, size_t count);
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virtual ssize_t write(ioctx_t* ctx, const uint8_t* buf, size_t count);
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virtual int tcgetwincurpos(ioctx_t* ctx, struct wincurpos* wcp);
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virtual int tcgetwinsize(ioctx_t* ctx, struct winsize* ws);
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virtual int tcsetpgrp(ioctx_t* ctx, pid_t pgid);
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virtual pid_t tcgetpgrp(ioctx_t* ctx);
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virtual int settermmode(ioctx_t* ctx, unsigned termmode);
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virtual int gettermmode(ioctx_t* ctx, unsigned* termmode);
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virtual int poll(ioctx_t* ctx, PollNode* node);
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virtual ssize_t tcgetblob(ioctx_t* ctx, const char* name, void* buffer, size_t count);
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virtual ssize_t tcsetblob(ioctx_t* ctx, const char* name, const void* buffer, size_t count);
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virtual int tcdrain(ioctx_t* ctx);
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virtual int tcflow(ioctx_t* ctx, int action);
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virtual int tcflush(ioctx_t* ctx, int queue_selector);
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virtual int tcgetattr(ioctx_t* ctx, struct termios* tio);
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virtual pid_t tcgetsid(ioctx_t* ctx);
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virtual int tcsendbreak(ioctx_t* ctx, int duration);
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virtual int tcsetattr(ioctx_t* ctx, int actions, const struct termios* tio);
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public:
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virtual void OnKeystroke(Keyboard* keyboard, void* user);
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private:
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void ProcessKeystroke(int kbkey);
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void ProcessString(const char* string);
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void ProcessUnicode(uint32_t unicode);
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void ProcessByte(unsigned char byte, uint32_t control_unicode = 0);
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void CommitLineBuffer();
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short PollEventStatus();
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bool CheckForeground();
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bool RequireForeground(int sig);
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bool CheckHandledByte(tcflag_t lflags, unsigned char key, unsigned char byte);
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private:
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PollChannel poll_channel;
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mutable kthread_mutex_t termlock;
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kthread_cond_t datacond;
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mbstate_t read_ps;
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size_t numeofs;
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Keyboard* keyboard;
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KeyboardLayoutExecutor* kblayout;
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LineBuffer linebuffer;
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struct termios tio;
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pid_t foreground_pgid;
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int modifiers;
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};
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} // namespace Sortix
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#endif
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